ECAT Computer Science Database Design Process Test Online

ECAT Computer Science Database Design Process Test

ECAT Computer Science Chapter 13 Database Design Process Online Test

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Database Design Process Test Online MCQs

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1. What is a composite attribute?

2. Which of the following converts the ER model into relational form?

3. What is the purpose of conceptual design in databases?

4. Which type of relationship does not require a foreign key?

5. Which step comes after logical design?

6. In which phase is data volume estimation considered?

7. Which of the following represents a multi-valued attribute in an ERD?

8. Which of the following best defines a surrogate key?

9. Which of the following terms describes the process of defining access controls?

10. What is denormalization?

11. What is a candidate key?

12. Which of the following is the first step in the database design process?

13. What is a functional dependency?

14. Which relationship degree involves three entities?

15. Which key can contain extra attributes but still uniquely identifies a record?

16. What does cardinality refer to in database design?

17. What does data integrity ensure?

18. Which tool is commonly used in database design to model relationships?

19. Which phase involves testing the database design with sample data?

20. Which of the following can lead to update anomalies?

21. What is a weak entity?

22. Which is used to uniquely identify a weak entity?

23. What is the goal of normalization in database design?

24. What is the final outcome of the database design process?

25. Which one is not a rule of normalization?


 

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